The storm surge pummeled a sparsely populated region off the state's main road system where communities are reachable only by air or water this time of year.
"The detached panel was taken by the wind and blown approximately 20 feet away where it fatally struck a pedestrian at an adjacent walkway," the city Buildings Department said.
At least three people remain missing in Alaska due to the effects of Typhoon Halong, while conditions on the East Coast caused delays at several major airports.